Section 5-4 Fractions and decimals pages 210 - 213

1
Section 5-4 Fractions and decimalspages 210 -
213

• Standard Number Sense and Operation
• Indicator N7 (5-3) and
• N3 Show rational numbers can be expressed as
  terminating or repeating decimals

2
Terminating (ending) Decimals

• 1/4 means 1 4
• 0.25
• 5/32 means 5 32
• 0.15625

3
Repeating Decimals(use bar notation)

• 1/3 means 1 3 0.3333
• 0.3
• 8 1/33 means 8 (1 33) 8 .0303
• 8.03

4
Write a fraction from a decimal(Use placevalue
foldable)

• Write the decimal part as a fraction out of 10,
  100,1000,10000, etc. Then simplify
• 0.23
• 23
• 100 (simplified)
• 3.8
• 3 8
• 10
• 8 222 4 so 3.8 3 4
• 10 25 5 5

5
Calculator Keys

• Press decimal value 3.8
• Press 2nd button
• Press PRB (F D)
• Press Enter

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Assignment

• 5-4/ 212 213/ 14 42 e, 47-50,54-57
• On 49 50 show the ratio of prime factors
• Quiz Tomorrow!!